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Abstract: A Cascaded HBridge Multilevel Inverter is a power electronic converter built to synthesize a desired ac voltage …
Abstract: A Cascaded HBridge Multilevel Inverter is a power electronic converter built to synthesize a desired ac voltage
from several levels of dc voltages with better harmonic spectrum. Such inverters are suitable for high voltage and high
power applications and have been an important development in recent years. This paper presents the performance of a
eleven level cascaded HBridge multilevel inverter topology with multicarrier pulse width modulation technique for
photovoltaic cell. This inverter is capable of producing eleven levels of output voltage from the dc supply voltage. This
topology magnifies the fundamental output voltage with reduction in total harmonic distortion . The output is drawn near the
sine wave because of more levels. It can also be easily extended to an mlevel inverter. The performance of the proposed
PWM strategy in terms of output voltage and THD is shown using MATLAB/Simulink.
Keywords: Multilevel inverter, Cascaded HBridge multilevel inverter, Multicarrier pulse width modulation, PV cell, Total
harmonic distortion.
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